Chris Marrin wrote:
>
> Hi,
>
> I am interested in using an off-the-shelf motherboard to build an
> embedded system. I want to embed a microkernel based OS (e.g., eCOS)
> into the ROM. Your project looks great as a starting point for building
> the firmware.
>
> I'm very interested in using a SiS 730 based board and it looks like you
> have source supporting that chipset. That will make a great starting
> point. But I would really like to have datasheets on this chipset so I
> can understand it more fully and make full use of it, especially the
> graphics section. But I don't seem to be able to get anyone at SiS to
> respond to such requests. I have found the spec for the 305 chip, which
> is supposedly the same as the graphics core in the 730. But I have found
> nothing on the 730 itself. I am also very interested in getting details
> about the upcoming 740 chipset, which would be even better for my
> investigations.
>
The register spec for the VGA part is not officially freely
distributable.
If your really want to have more idea about these registers, we can talk
aout it privately.
> How did you discover the internal register set of this chip, how to burn
> the Flash ROM, etc.? Did SiS share information with you on a
> nondisclosure basis, or are you free to share it with others (like me
> :-)
>
I got the register spec but I can not distribute it. Take a deep look
at SiSFB Lite source code. It should be "over-documented".
> Also, what motherboard did you use to test and debug the 730 code?
>
PCChips M810LMR.
> Any help you can provide would be great, Thanks!
>
> --
> Chris Marrin | Senior Software Architect | Sony Corporation
> phone: (408) 955-3049 | [EMAIL PROTECTED] |
>From SONY ?? You should have enough bucks/laywers to sign the paper
work for the spec. Just kidding.
Ollie
